The probability is 0.8 that a person of age 20 years will be alive at age of 65 years. Suppose that 500 people of age 20 are selected at random. Determine that the probability that between 375 and 425 of them, inclusive, will be alive at age of 65.
Contingency Table
A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.
Binomial Distribution
Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.
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